| San Fernando de Henares to Nuth | 854.15 mi (1,374.63 km) |
| San Fernando de Henares to Oegstgeest | 896.39 mi (1,442.60 km) |
| San Fernando de Henares to Oirschot | 873.50 mi (1,405.76 km) |
| San Fernando de Henares to Oisterwijk | 876.10 mi (1,409.94 km) |
| San Fernando de Henares to Oldebroek | 942.67 mi (1,517.08 km) |
| San Fernando de Henares to Oldenzaal | 959.10 mi (1,543.52 km) |
| San Fernando de Henares to Ommen | 958.27 mi (1,542.19 km) |
| San Fernando de Henares to Oosterend | 978.90 mi (1,575.39 km) |
| San Fernando de Henares to Oosterhout | 872.01 mi (1,403.37 km) |
| San Fernando de Henares to Oosterwolde | 983.02 mi (1,582.01 km) |
| San Fernando de Henares to Oostzaan | 919.98 mi (1,480.56 km) |
| San Fernando de Henares to Opmeer | 937.48 mi (1,508.72 km) |
| San Fernando de Henares to Oss | 894.04 mi (1,438.82 km) |
| San Fernando de Henares to Oud-Beijerland | 872.77 mi (1,404.58 km) |
| San Fernando de Henares to Oudenbosch | 861.63 mi (1,386.66 km) |
